Home / 2,116,979,283.12-2,921,433,832.72-1,177,161,746.86

Finding the Fourth Proportional to 2,116,979,283.12, 2,921,433,832.72 and 1,177,161,746.86

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Solution

The fourth proportional to 2,116,979,283.12, 2,921,433,832.72 and 1,177,161,746.86 is: 1,624,484,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,979,283.12 : 2,921,433,832.72 = 1,177,161,746.86 : x
  2. Step 2: Convert to fraction form
    2,116,979,283.12/2,921,433,832.72 = 1,177,161,746.86/x
  3. Step 3: Cross multiply
    2,116,979,283.12x = 2,921,433,832.72 × 1,177,161,746.86
  4. Step 4: Simplify right side
    2,116,979,283.12x = 3,439,000,153,860,579,840
  5. Step 5: Solve for x
    x = 3,439,000,153,860,579,840/2,116,979,283.12
  6. Step 6: Final answer
    x = 1,624,484,557.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.